Table 2. The molecular weight distribution of peptide extracts (<10 kDa) from Chickso, Hanwoo, and Wagyu loin

Contents	Chickso		Hanwoo		Wagyu
Contents	Before digestion	After digestion	Before digestion	After digestion	Before digestion	After digestion
Mn (Da)	302±11.78^B	267±6.56^B	270±19.47^B	282±12.17^B	466±15.54^A	297±8.96^B
Mw (Da)	666±9.16^B	312±64.51^D	338±30.81^D	355±22.38^D	2,007±115.52^A	479±21.75^C
Mz (Da)	1,595±61.57^B	373±39.15^D	446±35.68^D	438±29.52^D	5,037±175.28^A	1,138±34.48^C
Polydispersity	2.20±0.08^B	1.17±0.12^C	1.25±0.06^C	1.26±0.11^C	4.30±0.35^A	1.61±0.15^C
>10,000 Da (%)	-	-	-	-	-	-
5,000–10,000 Da (%)	0.07±0.01	-	-	-	0.001±0.000	-
3,000–5,000 Da (%)	2.65±0.28	-	-	-	1.19±0.08	-
1,000–3,000 Da (%)	15.72±0.77	0.42±0.05^D	1.49±0.07	0.56±0.02	8.41±0.35	1.10±0.07
200–1,000 Da (%)	58.33±0.59	83.46±2.14^A	79.27±2.29	79.18±4.45	76.80±3.78	84.75±2.14
<200 Da (%)	23.23±0.41	16.12±0.63	19.25±0.78	20.27±0.71	13.60±0.12	14.15±1.10

Each value is a mean±SD of three replicates.
Different uppercase letters in the same line indicate significant differences among Chickso, Hanwoo, and Wagyu loin peptides (p<0.05).
Mn, number-average molecular weight; Mw, weight-average molecular weight; Mz, Z-average molecular weight.